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2005 Fiscal Year Final Research Report Summary

Fundamental Research for Conductive Interfaces System with Nano-Structured Ultrathin Au Films/C60 Aiming to Room Temperature Superconductivity

Research Project

Project/Area Number 15360173
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Electronic materials/Electric materials
Research InstitutionNihon University

Principal Investigator

YAMAMOTO Hiroshi  Nihon University, College of Science and Technology, Professor, 理工学部, 教授 (90130632)

Co-Investigator(Kenkyū-buntansha) IWATA Nobuyuki  Nihon University, College of Science and Technology, Lecturer, 理工学部, 講師 (20328686)
Project Period (FY) 2003 – 2005
KeywordsExcitonic Superconductivity / C60 Derivative / Ultrathin Au Film / Self Assembly Monolayer / Resistivity Anomaly / Step-Terrace Strucure
Research Abstract

The purposes of this work are to prepare C_<60> derivative self-assembled monolayers (C_<60>-SAM) or C_<60> monolayers on nanostructured ultrathin Au films and to investigate exotic electric transport properties expected in the metal/organic interfaces.
When the surfaces of annealed oxide single crystals were atomically flat with step-terrace structures, ultrafine Au particles aligned along the edges of the steps and formed the continuous conducting layers. C_<60> derivatives (C_<60>-O-C6SH) with alkanethiol at the end of long alkyl chain adsorbed selectively on Au and highly closed packing alignments of C_<60>-SAM were successfully obtained. On the other hand, C_<60> monolayers were also successfully formed on the nanostructured Au films/α-Al_2O_3 by a re-evaporation technique newly developed by our group.
The resistance and I-V characteristics of the sample were measured by a four probe technique in the temperature range from 300 K to 77 K. Several C_<60>-SAM's on ultrathin Au films/MgO(100) showed anomalous decreases of the resistance deviating from linear dependence on temperature in the range of 100 K-250K. Also exotic transport properties were measured and studied in the few thousands nm scale. Obtained results revealed that the nanostructured fullerenes have a high feasibility to applications for novel electronic nanodevices.

  • Research Products

    (18 results)

All 2005

All Journal Article (18 results)

  • [Journal Article] Preparations and Evaluations of C_<60> Thin Films for Organic-FET2005

    • Author(s)
      N.Iwata, A.Kinjo, H.Okuyama, H.Yamamoto
    • Journal Title

      Jpn. J. Appl. Phys. 44・1B

      Pages: 617-620

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Preparation of Nano-Structured C_<60> Thin Films2005

    • Author(s)
      A.Kinjo, H.Okuyama, N.Iwata, H.Yamamoto
    • Journal Title

      Jpn. J. Appl. Phys. 44・1B

      Pages: 736-738

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Optical Absorption of Highly Oriented Pc Derivatives / Arachidic Acid Mixtured LB Films2005

    • Author(s)
      S.Yamaguchi, K.Katayama, T.Hashimoto, N.Iwata, H.Yamamoto
    • Journal Title

      Jpn. J. Appl. Phys. 44・1B

      Pages: 596-598

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Examination of MgO insulator thin films for high-Tc superconducting devices2005

    • Author(s)
      A.Kamitani, H.Wakana, S.dachi, Y.Nakajima, K.Higuchi, H.Yamamoto, K.Tanabe
    • Journal Title

      Physica C 426・431

      Pages: 1502-1507

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Fabrication of NdBa2Cu3O7-x Interface-modified ramp-edge junctions by MOCVD2005

    • Author(s)
      Y.Nakajima, H.Kokubun, S.dachi, Y.Tarutani, K.Tanabe, T.Morishita, N.Iwata, H.Yamamoto
    • Journal Title

      J. Materials Science 40

      Pages: 2981-2984

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Nano-Structured Alignment of C_<60>2005

    • Author(s)
      A.Kinjo, H.Sakamoto, H.Okuyama, N.Iwata, H.Yamamoto
    • Journal Title

      Trans. Mate. Res. Soc. Jpn. 30・1

      Pages: 159-162

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Absorption Spectrum of Phthalocyanine Derivertives LB Films2005

    • Author(s)
      K.Katayama, S.Yamaguchi, T.Hashimoto, N.Iwata, H.Yamamoto
    • Journal Title

      Trans. Mate. Res. Soc. Jpn. 30・1

      Pages: 171-172

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Bright Luminescence from Organic EL Thin Films by Electron Beam Irradiation2005

    • Author(s)
      Y.Hata, T.Ichinose, N.Iwata, H.Yamamoto
    • Journal Title

      Trans. Mate. Res. Soc. Jpn. 30・1

      Pages: 175-178

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Electronic Transportation Anomaly Observed in Interfaces of Nanostructured C60 Monolayers and Ultrathin Au Films2005

    • Author(s)
      Y.Shimizu, K.Saito, T.Sakuma, N.Iwata, H.Yamamoto
    • Journal Title

      Proceeding Of IUMBS-ICA 2004 (Tsintsu, Taiwan, 17-18^<th> Nov. 2004)

      Pages: 1-6

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Electronic Thansportation Anomaly Observed in Interfaces of Nanostructured C60 Monolayers and Ultrathin Au Films2005

    • Author(s)
      Y.Shimizu, K.Saito, T.Sakuma, N.Iwata, H.Yamamoto
    • Journal Title

      Proceeding of IUMRS-ICA 2004(Tsintsu, Taiwan, 17-18^<th> Nov.2004

      Pages: 1-6

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Examination of MgO insulator thin films for high-Tc superconducting devices2005

    • Author(s)
      A.Kamitani, H.Wakana, S.Adachi, Y.Nakajima, K.Higuchi, H.Yamamoto, K.Tanabe
    • Journal Title

      Physica C 426-431

      Pages: 1502-1507

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Preparation of Nano-Structured C_<60> Thin Films2005

    • Author(s)
      A.Kinjo, H.Okuyama, N.Iwata, H.Yamamoto
    • Journal Title

      Jpn.J.Appl.Phys. 44 1B

      Pages: 736-738

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Preparations and Evaluations of C_<60> Thin Films for Organic-FET2005

    • Author(s)
      N.Iwata, A.Kinjo, H.Okuyama, H.Yamamoto
    • Journal Title

      Jpn.J.Appl.Phys. 44 1B

      Pages: 617-620

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Optical Absorption of Highly Oriented Pc Derivatives/Arachidic Acid Mixtured LB Films2005

    • Author(s)
      S.Yamaguchi, K.Katayama, T.Hashimoto, N.Iwata, H.Yamamoto
    • Journal Title

      Jpn.J.Appl.Phys. 44 1B

      Pages: 596-598

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Bright Luminescence from Organic EL Thin Films by Electron Beam Irradiation2005

    • Author(s)
      Y.Hata, T.Ichinose, N.Iwata, H.Yamamoto
    • Journal Title

      Trans.Mate.Res.Soc.Jpn. 30 1

      Pages: 175-178

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Absorption Spectrum of Phthalocyanine Derivertives LB Films2005

    • Author(s)
      K.Katayama, S.Yamaguchi, T.Hashimoto, N.Iwata, H.Yamamoto
    • Journal Title

      Trans.Mate.Res.Soc.Jpn. 30 1

      Pages: 171-172

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Nano-Structured Alignment of C_<60>2005

    • Author(s)
      A.Kinjo, H.Sakamoto, H.Okuyama, N.Iwata, H.Yamamoto
    • Journal Title

      Trans.Mate.Res.Soc.Jpn. 30 1

      Pages: 159-162

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Fabrication of NdBa2Cu3O7-x Interface-modified ramp-edge junctions by MOCVD2005

    • Author(s)
      Y.Nakajima, H.Kokubun, S.Adachi, Y.Tarutani, K.Tanabe T.Morishita, N.Iwata, H.Yamamoto
    • Journal Title

      J.Materials Science 40

      Pages: 2981-2984

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2007-12-13  

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